<template>
  <el-container class="home-container">
    <!-- 头部区域 -->
    <el-header>
      <div>
        <img src="../assets/01.jpg" />
        <span>阿庆后台管理系统</span>
      </div>
      <el-button type="info" @click="logout">退出</el-button>
    </el-header>
    <!-- 页面主体区域 -->
    <el-container>
      <!-- 侧边栏菜单区域 -->
      <el-aside :width="isCollapse ? '64px' : '200px'">
        <div class="toggle-button" @click="toggleCollapse">|||</div>
        <el-menu
          background-color="#333744"
          text-color="#fff"
          active-text-color="#409eef"
          unique-opened
          :collapse="isCollapse"
          :collapse-transition="false"
          :router="true"
          :default-active="activePath"
        >
          <!-- 一级菜单 -->
          <el-submenu
            :index="item.id + ''"
            v-for="item of menulist"
            :key="item.id"
          >
            <!-- 一级菜单的模板区域 -->
            <template slot="title">
              <!-- 图标 -->
              <i :class="iconsObj[item.id]"></i>
              <!-- 文本 -->
              <span>{{ item.authName }}</span>
            </template>
            <!-- 二级菜单 -->
            <el-menu-item
              :index="'/' + subItem.path"
              v-for="subItem of item.children"
              :key="subItem.id"
              @click="save('/' + subItem.path)"
            >
              <!-- 一级菜单的模板区域 -->
              <template slot="title">
                <!-- 图标 -->
                <i class="el-icon-menu"></i>
                <!-- 文本 -->
                <span>{{ subItem.authName }}</span>
              </template>
            </el-menu-item>
          </el-submenu>
        </el-menu>
      </el-aside>
      <!-- 右侧内容主体 -->
      <el-main>
        <!-- 路由占位符 -->
        <router-view/>
      </el-main>
    </el-container>
  </el-container>
</template>
<script>
export default {
  data() {
    return {
      menulist: [],
      iconsObj: {
        125: "iconfont icon-user",
        103: "iconfont icon-tijikongjian",
        101: "iconfont icon-shangpin",
        102: "iconfont icon-danju",
        145: "iconfont icon-baobiao",
      },
      isCollapse:false,
      activePath:"",
    };
  },
  methods: {
    logout() {
      window.sessionStorage.clear();
      this.$router.push("/login");
      this.$message.success("退出成功");
    },
    //获取所以的菜单
    getMenuList() {
      this.axios.get("menus").then((res) => {
        if (res.data.meta.status != 200)
          return this.$message.console.error(res.data.meta.msg);
        this.menulist = res.data.data;
      });
    },
    //点击按钮折叠菜单导航栏
    toggleCollapse(){
      this.isCollapse=!this.isCollapse
    },
    save(activePath){
      window.sessionStorage.setItem('avtivePath',activePath);
      this.activePath=window.sessionStorage.getItem('avtivePath');
    }
  },
  created() {
    this.getMenuList();
    this.activePath=window.sessionStorage.getItem('avtivePath');
  },
};
</script>
<style>
@import url("//unpkg.com/element-ui@2.15.1/lib/theme-chalk/index.css");
.home-container {
  height: 100%;
}
.el-header {
  background-color: #000;
  display: flex;
  justify-content: space-between;
  padding-left: 0;
  align-items: center;
  color: #fff;
  font-size: 20px;
}
.el-header > div {
  display: flex;
  align-items: center;
}
.el-header > div span {
  margin-left: 15px;
}
.el-header > div img {
  height: 60px;
}
.el-aside {
  background-color: #333744;
  color: #333;
  line-height: 30px;
}
.el-aside .el-menu {
  border-right: none;
}
.el-main {
  background-color: #eaedf1;
  color: #333;
}

body > .el-container {
  margin-bottom: 40px;
}

/* .el-container:nth-child(5) .el-aside,
.el-container:nth-child(6) .el-aside {
  line-height: 260px;
}

.el-container:nth-child(7) .el-aside {
  line-height: 320px;
} */
.iconfont {
  margin-right: 10px;
}
.toggle-button{
  background-color: #4a5064;
  font-size: 10px;
  color: #fff;
  text-align: center;
  letter-spacing: 0.2rem;
  cursor: pointer;
}
</style>